Shower shelf



FIG. 1 is a top perspective view of a shower shelf showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side view thereof, with the left side being a mirror image thereof; and,

FIG. 5 is a bottom perspective view thereof. 

CLAIM The ornamental design for a shower shelf, as shown and described. 